If you want a French Pikachu too, look for Lt. Surge at the Saffron City Magnet Train station. I'm not sure what the criteria for him to be there is, but I found him. If you trade him a Pikachu, he'll give you a French one nicknamed Volty that is holding a Yellow Shard.
Oh yeah, I heard about this & have even caught a Pikachu from the appropriate location to give him for it...just haven't rematched him which I believe is required if my memory serves right...I don't think I have his number yet though...
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"The Nine Tails of Subconscious - Lawence Codye"